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Oct. 9, 1928. I 1,687,386

' J. H. REEVE LIQUID FUEL BURNER Filed Jan. 1928 INVEN OR h :5 v5

ATTORNEY Patented Oct. 9, 1928.

UNITED STATES JOHN H. REEVE, OF PORTLAND, OREGON.

LIQUID-FUEL BURNER.

Application filed January 4, 1928.

My invention relates to liquid fuel burners and its principal object isto provide a'burner of this type wherein a maximum supply of air is hadand the consequent reduction of liquid inafter specifically referred to,claimed and illustrated in the accompanying drawings, wherein Figure 1is a side elevation of liquid fuel burner constructed in accordance withmy invention;

Figure 2 is an enlarged longitudinal sectional View of the same; and

Figure 3 is a vertical section taken on line 83 of Figure 2.

Referring to the invention in detaila cylinder or shell 5, dividedintermediate its ends by a transverse partition 10 to afford chambers 11and 12, is provided. The chamber 11 constitutes a steam and oilmixingchamber,'while the walls of the chamber 12 are provided with airinlet openings 13 to supply oxygen to this latter chamber.

Caps 14 and 15 are threaded upon the opposite ends of the cylinder orshell having central threaded openings 1 and 2, the former threadedlyreceiving an oil supply pipe 16 which passes intothe chamber 11, and thelatter receiving an outlet pipe 17 having one end disposed within thechamber 12 and flared as at 18.

The pipes 16 and 17 are disposed in longitudinal alinement, and arrangedwithin the cylinder or shell in longitudinal alinement with these pipesis a mixing tube 19, the latter passing through the wall 10 in threadedengagement therewith, as at 19. As illustrated in Figure 2, the forwardend of the mixing tube is flared as at 20 and disposed in closeproximity to the inner end of the pipe 16 to receive oil dischargedtherefrom, while the opposite end of this tube is disposed'in closeproximity to the flared end 18 ofthe tube 17 to discharge thecombustible mixture therein. A hollow boss 23 formed on the cylinder orSerial No. 244,450.

shell 5 communicates with the chamber 11 and receives the threaded end24 of a steam supply pipe 25.

Projecting forwardly from the cap 15 and receiving the outlet tube 17 isa cylindrical burner tube 26 formed with a frusto-conical burner or head27. To secure this burner tube in place, a bushing 28 having threadedengagement with the tube 17 is engaged with thfi interiorly threadedinner end 29 of the tu e.

It will be observed that the steam and oil or other liquid fuel will mixas it passes through the mixing tube and thence discharge into the outertube 17. As the mixture passes from the .mixing. tube and into theoutlet tube a vacuum is produced within the latter, drawing air throughthe openings 13 to supply the necessary oxygen to the mixture be fore itpasses to the burner 27.

What is claimed is:

1. In combination a shell perforated for I part of its length, a.partition extending transversely within the shell and disposed to oneside of the perforations and having a. central opening, a. tube passingthrough the opening and having one end flared, a liquid fuel supply pipepassing through oneend of the shell and having its inner end disposed inclose proximity to the flared end of the tube, an outlet pipe passingthrough the opposite end of the shell and having its inner end flaredand disposed in close proximity to the adjacent end of the tube, andmeans for discharging steam in the shell in the vicinity of the liquidfuel supply pipe.

2. In combination a shell having perforations therein for part of itslength, a partition extending transversely within the shell and disposedto one side of the perforations and having a central opening, a tubepassing through the opening, a liquid fuel supply pipe passing throughone end of the shell and having its inner end disposed in closeproximity to one end of the tube, and an outlet pipe passing through theopposite end of the shell and having its inner end disposed in clqjseproximity to the opposite end of the tu e.

Signed at Portland, in the county of Multnomah and State of Oregon, this19 day of November A. D. 1927.

JOHN H. REEVE.

